US7248647B2 - Radio telecommunications system operative by interactive determination of soft estimates, and a corresponding method - Google Patents

Radio telecommunications system operative by interactive determination of soft estimates, and a corresponding method Download PDF

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US7248647B2
US7248647B2 US10/643,182 US64318203A US7248647B2 US 7248647 B2 US7248647 B2 US 7248647B2 US 64318203 A US64318203 A US 64318203A US 7248647 B2 US7248647 B2 US 7248647B2
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soft
bits
soft estimates
estimates
processor
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US20040038653A1 (en
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Holger Claussen
Hamid Reza Karimi
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Nokia of America Corp
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Lucent Technologies Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2948—Iterative decoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2957—Turbo codes and decoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/31—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining coding for error detection or correction and efficient use of the spectrum
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
    • H03M13/3746—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with iterative decoding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/63—Joint error correction and other techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/067—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing soft decisions, i.e. decisions together with an estimate of reliability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L2001/0098—Unequal error protection
US10/643,182 2002-08-21 2003-08-18 Radio telecommunications system operative by interactive determination of soft estimates, and a corresponding method Expired - Fee Related US7248647B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02255820A EP1392017B1 (de) 2002-08-21 2002-08-21 Drahtloses MIMO Telekommunikationssystem mit Multilevel-Coded Modulation unter Verwendung von iterativer Ermittlung von Soft-Schätzwerten und entsprechende Methode
EP02255820.9 2002-08-21

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US20040038653A1 US20040038653A1 (en) 2004-02-26
US7248647B2 true US7248647B2 (en) 2007-07-24

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EP (1) EP1392017B1 (de)
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Cited By (12)

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US20050239509A1 (en) * 2004-04-13 2005-10-27 Alcatel Method and device for detecting vertical bell laboratories layered space-time codes
US20060171283A1 (en) * 2005-01-11 2006-08-03 Rajiv Vijayan Method and apparatus for decoding data in a layered modulation system
US20060198454A1 (en) * 2005-03-02 2006-09-07 Qualcomm Incorporated Adaptive channel estimation thresholds in a layered modulation system
US20070121752A1 (en) * 2005-11-28 2007-05-31 Fujitsu Limited Wireless communication apparatus
US20070211816A1 (en) * 2006-02-28 2007-09-13 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in a multi-antenna system
US20090285185A1 (en) * 2004-02-13 2009-11-19 Broadcom Corporation Long training sequence method and device for wireless communications
US20100098194A1 (en) * 2008-10-16 2010-04-22 Andres Reial Method and Apparatus for Simplified Expected Symbol Value Computation and Interference Cancellation in Communication Signal Processing
US20100098192A1 (en) * 2005-01-11 2010-04-22 Qualcomm Incorporated Bit log likelihood ration evaluation
WO2011139770A1 (en) * 2010-04-29 2011-11-10 Qualcomm Incorporated Using a joint decoding engine in a wireless device
US8453042B2 (en) * 2005-07-06 2013-05-28 Panasonic Corporation Modulator and modulation method
US9551785B1 (en) 1999-04-07 2017-01-24 James L. Geer Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US20170078048A1 (en) * 2015-09-11 2017-03-16 Signalchip Innovations Private Limited Method and system for symbol level interference cancellation at a receiver for multiuser detection

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DE60206873T2 (de) * 2002-02-14 2006-06-14 Lucent Technologies Inc Empfänger und Verfahren für mehrfacheingabe und mehrfachausgabe iterative Detektion mittels Rückkopplung von weichen Entscheidungen
EP1392017B1 (de) * 2002-08-21 2006-10-04 Lucent Technologies Inc. Drahtloses MIMO Telekommunikationssystem mit Multilevel-Coded Modulation unter Verwendung von iterativer Ermittlung von Soft-Schätzwerten und entsprechende Methode
FI115374B (fi) 2003-08-26 2005-04-15 Nokia Corp Verkkoresurssien identifiointia pakettivälitteisille palveluille
US7437135B2 (en) * 2003-10-30 2008-10-14 Interdigital Technology Corporation Joint channel equalizer interference canceller advanced receiver
KR100575982B1 (ko) * 2003-11-05 2006-05-02 삼성전자주식회사 다중 안테나를 사용하는 직교주파수분할다중 시스템에서간섭신호 제거 장치 및 방법
US7813453B2 (en) * 2004-01-21 2010-10-12 Qualcomm Incorporated Data detection for a hierarchical coded data transmission
WO2005086500A1 (en) * 2004-02-27 2005-09-15 Nokia Corporation Constrained optimization based mimo lmmse-sic receiver for cdma downlink
US7339980B2 (en) * 2004-03-05 2008-03-04 Telefonaktiebolaget Lm Ericsson (Publ) Successive interference cancellation in a generalized RAKE receiver architecture
US20050281361A1 (en) * 2004-06-16 2005-12-22 Broadcom Corporation Interference cancellation of STBC with multiple streams in OFDM for wlan
KR100922958B1 (ko) 2005-03-14 2009-10-22 삼성전자주식회사 다중 사용자 다이버시티를 지원하는 다중 안테나 이동통신시스템에서 사용자 할당장치 및 방법
US7436901B2 (en) 2005-04-19 2008-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Selection of channel coding and multidimensional interleaving schemes for improved performance
KR100889302B1 (ko) * 2005-12-14 2009-03-18 삼성전자주식회사 다중 안테나 시스템에서 부분 반복 검출 및 복호 수신 장치및 방법
KR100922938B1 (ko) * 2006-03-09 2009-10-22 삼성전자주식회사 통신 시스템에서 데이터 수신 방법 및 장치
US8270549B2 (en) * 2008-07-31 2012-09-18 Fujitsu Semiconductor Limited Method and system for implementing a multiple-input multiple-output (MIMO) decoder scheme
KR20100016726A (ko) * 2008-08-05 2010-02-16 삼성전자주식회사 공간 다중화를 지원하는 다중 안테나 시스템에서 계층 제거방법 및 장치
GB201006104D0 (en) * 2010-04-13 2010-05-26 Icera Inc Decoding a signal
US20130156139A1 (en) * 2011-12-15 2013-06-20 Samsung Electronics Co., Ltd. Wireless communication system with interference filtering and method of operation thereof
WO2017199086A2 (en) * 2016-05-16 2017-11-23 Glide Talk Ltd. System and method for interleaved media communication and conversion
CN108847722B (zh) * 2018-06-27 2021-08-13 广东工业大学 一种多天线能量传输设备、方法和装置
US20230139174A1 (en) * 2021-11-01 2023-05-04 Qualcomm Incorporated Frequency first per layer code block mapping

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9551785B1 (en) 1999-04-07 2017-01-24 James L. Geer Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
US20110182241A1 (en) * 2004-02-13 2011-07-28 Broadcom Corporation Long training sequence method and device for wireless communications
US8750252B2 (en) 2004-02-13 2014-06-10 Broadcom Corporation Long training sequence method and device for wireless communications
US20090285185A1 (en) * 2004-02-13 2009-11-19 Broadcom Corporation Long training sequence method and device for wireless communications
US7920526B2 (en) * 2004-02-13 2011-04-05 Broadcom Corporation Long training sequence method and device for wireless communications
US20050239509A1 (en) * 2004-04-13 2005-10-27 Alcatel Method and device for detecting vertical bell laboratories layered space-time codes
US7397874B2 (en) * 2004-04-13 2008-07-08 Alcatel Method and device for detecting vertical bell laboratories layered space-time codes
US20060171283A1 (en) * 2005-01-11 2006-08-03 Rajiv Vijayan Method and apparatus for decoding data in a layered modulation system
US8102949B2 (en) 2005-01-11 2012-01-24 Qualcomm Incorporated Bit log likelihood ratio evaluation
US20100098192A1 (en) * 2005-01-11 2010-04-22 Qualcomm Incorporated Bit log likelihood ration evaluation
US8223853B2 (en) 2005-01-11 2012-07-17 Qualcomm Incorporated Method and apparatus for decoding data in a layered modulation system
US20060198454A1 (en) * 2005-03-02 2006-09-07 Qualcomm Incorporated Adaptive channel estimation thresholds in a layered modulation system
US8453042B2 (en) * 2005-07-06 2013-05-28 Panasonic Corporation Modulator and modulation method
US9059743B2 (en) 2005-07-06 2015-06-16 Panasonic Intellectual Property Corporation Of America Transmission apparatus and reception apparatus
US9374195B2 (en) 2005-07-06 2016-06-21 Panasonic Intellectual Property Corporation Of America Transmission signal generating apparatus and method, and reception data generating apparatus and method
US7634018B2 (en) * 2005-11-28 2009-12-15 Fujitsu Limited Wireless communication apparatus
US20070121752A1 (en) * 2005-11-28 2007-05-31 Fujitsu Limited Wireless communication apparatus
US20070211816A1 (en) * 2006-02-28 2007-09-13 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in a multi-antenna system
US7924958B2 (en) * 2006-02-28 2011-04-12 Samsung Electronics Co., Ltd. Apparatus and method for transmitting and receiving signals in a multi-antenna system
US20100098194A1 (en) * 2008-10-16 2010-04-22 Andres Reial Method and Apparatus for Simplified Expected Symbol Value Computation and Interference Cancellation in Communication Signal Processing
US8315342B2 (en) 2008-10-16 2012-11-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for simplified expected symbol value computation and interference cancellation in communication signal processing
WO2011139770A1 (en) * 2010-04-29 2011-11-10 Qualcomm Incorporated Using a joint decoding engine in a wireless device
US8634332B2 (en) 2010-04-29 2014-01-21 Qualcomm Incorporated Using joint decoding engine in a wireless device
US9602240B1 (en) * 2015-09-11 2017-03-21 Signalchip Innovations Private Limited Method and system for symbol level interference cancellation at a receiver for multiuser detection
US20170078048A1 (en) * 2015-09-11 2017-03-16 Signalchip Innovations Private Limited Method and system for symbol level interference cancellation at a receiver for multiuser detection

Also Published As

Publication number Publication date
EP1392017B1 (de) 2006-10-04
DE60215153T2 (de) 2007-10-25
EP1392017A1 (de) 2004-02-25
US20040038653A1 (en) 2004-02-26
DE60215153D1 (de) 2006-11-16

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